Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, dung cua
dong cong » duong cong, dung cong, dang cong
cong tang » cong thang, cong tan, cong lang
tang nang » tang bang, tang nong, thong nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - thanh ((trung cua) OR (trung tuan)) dong cong tang nang cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh ((trung cua) OR (trung tuan)) dong cong tang nang cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh ((trung cua) OR (trung tuan)) dong cong tang nang cao*.